From: "Eugenio Pérez" <eperezma@redhat.com>
To: mst@redhat.com, qemu-devel@nongnu.org
Cc: Peter Xu <peterx@redhat.com>,
Dragos Tatulea <dtatulea@nvidia.com>,
Zhu Lingshan <lingshan.zhu@intel.com>,
Jason Wang <jasowang@redhat.com>, Lei Yang <leiyang@redhat.com>,
Laurent Vivier <lvivier@redhat.com>,
si-wei.liu@oracle.com, Stefano Garzarella <sgarzare@redhat.com>,
Parav Pandit <parav@mellanox.com>
Subject: [PATCH 2/6] vdpa: reorder vhost_vdpa_set_backend_cap
Date: Thu, 11 Jan 2024 20:02:18 +0100 [thread overview]
Message-ID: <20240111190222.496695-3-eperezma@redhat.com> (raw)
In-Reply-To: <20240111190222.496695-1-eperezma@redhat.com>
It will be used directly by vhost_vdpa_init.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
hw/virtio/vhost-vdpa.c | 60 +++++++++++++++++++++---------------------
1 file changed, 30 insertions(+), 30 deletions(-)
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index ddae494ca8..33ae285f87 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -580,6 +580,36 @@ static void vhost_vdpa_init_svq(struct vhost_dev *hdev, struct vhost_vdpa *v)
v->shadow_vqs = g_steal_pointer(&shadow_vqs);
}
+static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
+{
+ struct vhost_vdpa *v = dev->opaque;
+
+ uint64_t features;
+ uint64_t f = 0x1ULL << VHOST_BACKEND_F_IOTLB_MSG_V2 |
+ 0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH |
+ 0x1ULL << VHOST_BACKEND_F_IOTLB_ASID |
+ 0x1ULL << VHOST_BACKEND_F_SUSPEND;
+ int r;
+
+ if (vhost_vdpa_call(dev, VHOST_GET_BACKEND_FEATURES, &features)) {
+ return -EFAULT;
+ }
+
+ features &= f;
+
+ if (vhost_vdpa_first_dev(dev)) {
+ r = vhost_vdpa_call(dev, VHOST_SET_BACKEND_FEATURES, &features);
+ if (r) {
+ return -EFAULT;
+ }
+ }
+
+ dev->backend_cap = features;
+ v->shared->backend_cap = features;
+
+ return 0;
+}
+
static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp)
{
struct vhost_vdpa *v = opaque;
@@ -827,36 +857,6 @@ static int vhost_vdpa_set_features(struct vhost_dev *dev,
return vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_FEATURES_OK);
}
-static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
-{
- struct vhost_vdpa *v = dev->opaque;
-
- uint64_t features;
- uint64_t f = 0x1ULL << VHOST_BACKEND_F_IOTLB_MSG_V2 |
- 0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH |
- 0x1ULL << VHOST_BACKEND_F_IOTLB_ASID |
- 0x1ULL << VHOST_BACKEND_F_SUSPEND;
- int r;
-
- if (vhost_vdpa_call(dev, VHOST_GET_BACKEND_FEATURES, &features)) {
- return -EFAULT;
- }
-
- features &= f;
-
- if (vhost_vdpa_first_dev(dev)) {
- r = vhost_vdpa_call(dev, VHOST_SET_BACKEND_FEATURES, &features);
- if (r) {
- return -EFAULT;
- }
- }
-
- dev->backend_cap = features;
- v->shared->backend_cap = features;
-
- return 0;
-}
-
static int vhost_vdpa_get_device_id(struct vhost_dev *dev,
uint32_t *device_id)
{
--
2.39.3
next prev parent reply other threads:[~2024-01-11 19:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-11 19:02 [PATCH 0/6] Move memory listener register to vhost_vdpa_init Eugenio Pérez
2024-01-11 19:02 ` [PATCH 1/6] vdpa: check for iova tree initialized at net_client_start Eugenio Pérez
2024-01-31 10:06 ` Si-Wei Liu
2024-02-01 10:14 ` Eugenio Perez Martin
2024-01-11 19:02 ` Eugenio Pérez [this message]
2024-01-11 19:02 ` [PATCH 3/6] vdpa: set backend capabilities at vhost_vdpa_init Eugenio Pérez
2024-01-11 19:02 ` [PATCH 4/6] vdpa: add listener_registered Eugenio Pérez
2024-01-11 19:02 ` [PATCH 5/6] vdpa: reorder listener assignment Eugenio Pérez
2024-01-11 19:02 ` [PATCH 6/6] vdpa: move memory listener register to vhost_vdpa_init Eugenio Pérez
2024-01-19 14:44 ` [PATCH 0/6] Move " Lei Yang
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